PT-2026-5926 · Unknown · File Upload Mechanism

Published 2026-02-04 · Updated 2026-02-09 · CVE-2025-59818

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions (affected versions not specified)

Description This issue enables authenticated attackers to execute arbitrary commands on the underlying system by manipulating the file name during file uploads. The vulnerability resides in the file upload mechanism. The affected system allows command execution through the file name of uploaded files.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2025-59818

Affected Products

File Upload Mechanism

References · 12

• https://zenitel.com/sites/default/files/2025-12/A100K12333%20Zenitel%20Security%20Advisory.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-59818 · Security Note
• https://osv.dev/vulnerability/CVE-2025-59818 · Vendor Advisory
• https://wiki.zenitel.com/wiki/ZIPS_9.3_-_Release_notes · Note
• https://t.me/CVEtracker/43714 · Telegram Post
• https://twitter.com/CveFindCom/status/2019141689139396806 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2019042333224779778 · Twitter Post
• https://wiki.zenitel.com/wiki/VSF-Display_Series_9.3_Release_Notes · Note
• https://wiki.zenitel.com/wiki/VSF-Fortitude6_9.3_Release_Notes · Note
• https://twitter.com/cracbot/status/2020814989704286511 · Twitter Post
• https://wiki.zenitel.com/wiki/Turbine_9.3_-_Release_notes · Note
• https://wiki.zenitel.com/wiki/VSF-Fortitude8_9.3_Release_Notes · Note